One thought I had was that both DirecTV and Dish could form a joint venture to do the space operations support side of things. A Satellite fleet may need n customers to be financially viable, but a joint back end could support X + Y > n. The key would be that the joint venture’s customers (Dish + DirecTV + others???) all adopt the same transponder tech.
The fun part about this has been noted above… limited life of current satellite fleets, need to consolidate slots/bands. The other side is the lead time on contract/design/build/launch a satellite. This is 5 years + timeline. Once this is decided, a replacement common fleet could be deployed, along with receivers using these joint venture fleets by the time the each company’s current satellite fleet go EOL.
Dish, DirecTV , others(?) could then each have their own customer service, channel packages, receivers, etc using the joint venture (ultimately spun off) satellite/uplink infrastructure.
Granted, this is something that gets developed over the next few years, but we’re on the clock now for it to happen in time.
That's an interesting thought experiment but I don't think either AT&T or DISH sees enough life/profitability left in DBS pay TV service over the coming years to justify the expense of any further satellite launches. AT&T definitely declared that the T16 would be the last-ever satellite launched for DTV back in 2019. As far as I know, DISH hasn't specifically ruled out the possibility of launching additional sats but my guess is that they wouldn't as it's just cost-prohibitive given the dwindling market. Makes much more sense to just merge with DTV and use their sats, which should last into the early 2030s, i.e. long enough until we get to the point where so much of their user base has migrated to their own or competing internet-delivered services that it's uneconomic to continue operating even a single DBS service any more.
Here's a plausible hypothetical scenario I see playing out. All the dates I use are rough guesses.
2022: AT&T, DISH and TPG announce an agreement to spin off their pay TV businesses into a new privately held joint venture company.
2023: After government approval, the new JV launches and announces that DISH will be the sole satellite TV brand still actively marketed and taking new customers. New DISH customers will have rooftop dishes installed to aim and use the DTV satellite fleet. Existing DTV customers will see their service rebranded to "DIRECTV by DISH" but be grandfathered into their existing channel packages and allowed to keep their existing equipment. All of the channels under contract to be carried by either the DISH brand or the old DTV brand will be transmitted through the DTV satellite fleet so they can serve customers under both brands.
2025: As the original fleet of aging DISH satellites face extinction, DISH contacts all of their legacy customers who had been installed before the 2023 merger and are therefore still receiving signals from the old DISH sats. Those customers are notified that they must either opt into receiving all of their channels via a broadband connection to their Hopper and Joey receivers (making their rooftop dish unnecessary) or they must schedule to have a DISH installer come out and install a new dish aimed at the DTV satellite fleet. There would be some incentive to choose the broadband option, such as a gift card and/or an installation charge or new contract commitment if choosing a new dish installation.
At this time (if not earlier), we'll see DISH also offer the broadband delivery option for all their new and existing customers. Customers will use the same DISH Hopper/Joey hardware and enjoy the same user experience whether the service is delivered by satellite or broadband (although without rain fade in the case of the latter). The goal over the course of this decade will be to get as many of their TV subscribers as possible transitioned away from satellite delivery over to some form of streaming pay TV subscription service so that the business will be positioned to survive as long as "cable TV" continues to exist.