Last season there were several big names such as Milan and Liverpool, who usually play more often in the Champions League, they had to play in the Europa League, which made many people interested in watching every match and thought the winner was one of the elite clubs. But the surprising fact is that the club that was not the favorite was able to win the UEL title, even so I think the Europa League is no less prestigious than the Champions League.
And next season there will also be several big names such as Manchester United, Roma and Tottenham but I am no longer predicting too early for fear of making the wrong target again

and there are also no clubs who have been relegated from the Champions League which of course will make the competition even fiercer.
Actually, it wouldn't be wrong to make predictions now even though it still looks quite early and no league has started yet because in the Champions League there will also be elite teams who will enter the European League next season. However, from the names of several teams that you have mentioned, you can actually give a little idea that next season's European League will still be a league that is quite fierce in terms of competition, so there will also be quite a lot of spectators.
I think it's still early though since someone of the elite teams that's playing in the champions League may end up moving back to the Europa League if they are elimination early in the champions league, last season we witnessed a lot of big teams in the Europa League no doubt but it was funny how none of the expected teams could make it to the finals. By next season, we will see a lot of competition among the teams but to pick a particular team that will be the favourite now when the league has not started is funny cause no one can predict correctly when the teams are yet to even begin the group stages.