Taking aside the fact that the virus can be spread to vulnerable people, the disease isn't deadly to healthy young people. The number of cases are extremely rare where it is deadly to that bracket of people.
The strategy can't be to stay in lockdown until there's a vaccine, it's always been said its in order to stop the nhs becoming overwhelmed. That to me indicates that at a point in time it will be down to the public to make their own decision on whether they want to stay in self isolation, albeit there will certainly be some restrictions in place I would have thought.
Footballers I strongly doubt will be , or ever would have been, risking their lives by playing football any more than taking a decision to get on a bus or a plane to travel to a game in normal times.
All that being said football being played behind closed doors will fall into a bracket that will be within guidelines of acceptability as the nhs will be able to cope. I can see it being the case in the next month or two.
The real problem lies in public gatherings because that is far more likely to be deemed not necessary as it's getting high numbers of people in one place in close proximity to one another. I think from a sporting perspective it places far more doubt on next season at lower levels because it surely can't be sustainable to play behind closed doors and expect anywhere near the sort or income required. But then that is more a case of clubs folding with suppirting than being able to physically stage a behind closed doors game.
At the top level I certainly am not going to be paying for sky sports if they are showing behind closed doors games as it's fairly boring to watch, but I think a lot of people still would, but you'll likely be in a situation where premier league football can continue but professional football below that is not sustainable until such a time that high numbers of people can enter a ground. For me the value of watching city on a stream versus actually being at the ground is much less, I wouldn't pay 4/5/600 quid for a season of that willingly and I really do think that if I can't get to watch the remaining games of this season at the ground I'd want some money back.
I can conceivably see a situation where the 2020/21 premier league is viable but all other levels are not, certainly at August/September time.
From a sporting perspective I think that will be terrible as it creates a closed shop. I also think UEFA have acted terribly, rearranging the euros with a fixed date, telling leagues if you don't finish your season then we'll ban you from our competitions. They are only trying to protect their competitions rather than acting as a governing body and supporting every level of football in Europe instead of putting massive road blocks in the way of national bodies and leagues.