The saying goes ”you‘re only as strong as you're weakest player”. That goes for the league also. Three strong teams will need to financial support the weaker teams. You can’t justify ticket prices for an inconsistent product with quality fluctuations dependent not on coaching and player performance but team budgets. The chances are ticket prices will likely need to increase across most teams.
As for vaccines, the good news is progress is being made, the bad news is the speed the virus mutates, as seen recently in Spain and now Denmark and the speed of vaccine availability in huge numbers across the planet. The impact is likely to require several more yrs of development and potentially several different vaccines requiring mammoth logistical resources. Even if the current vaccine is successful, getting it to everyone in the U.K. will l’ve heard take 9 months at least, at which point next Winter we could be facing a strain immune to the effects of the current vaccine. Then there is the threat of new viruses, a couple currently being tracked in bats in Africa. My fear is the risk of deadly air born respiratory viruses may reshape our lives dramatically, making indoor sporting events that attracted large audiences redundant.