I don't see the hypocrisy that it seems that you're cautioning against. What cases outside of steroids in the steroid era are you referring to? And do those cases influence a player's performance so much that it could reasonably alter how their overall greatness is received?
I doubt any baseball HOF voters are also football HOF votes. It's a little bit of a double standard to judge steroid and PED use in one sport more harshly than the other, but I don't think it's so much so that it invalidates both or either opinion. Shawne Merriman wasn't a HOF level player, but if he was, I don't think I'd criticize a double-sport voter who voted for him for the football HOF despite his positive tests and against Manny Ramirez for the baseball HOF because of his positive tests.
A big part of that is because of how important and beautiful I think the numbers are in baseball and how unimportant and irrelevant the numbers are records are in football. baseball across many eras was still pretty consistent in terms of overall statistics. So the records of old have a lot of meaning even to the game of today (with some exceptions like win totals being hard to keep up with now). Football changes so much, maybe just me but I don't care about the records from the 60s being tainted by the game of today (whether drug-fueled or just rule and strategy altered).
I'd vote for everyone regardless of steroid use, but I understand the rationale to not vote for someone we know used and I don't disapprove of that mindset. I do disapprove of not voting for someone who the writer merely suspects was a user, like say Bagwell of Piazza. And I strongly disapprove of any writers who withhold votes just because the guy wasn't nice to them or didn't give them good answers during interviews. Those people should lose their right to vote.
I am not referring so much to cases within the steroid era beyond steroid usage (although greenies, altering baseballs, and Astros would all be relevant), but cases of admitted or proven cheating that occurred outside of the era.
Yes, baseball and football writers probably don't overlap much, if at all. However, their and our logic here should be consistent when offering up opinions, even if they don't come with votes.
Yes, you're correct in one main reason why people care more about steroids in baseball than in football, which is the records. Just because one cares more about baseball records doesn't mean this is without hypocrisy, it just explains why that person is being hypocritical.
It's not just drugs though in football. What do you do with Bill Belichick and Tom Brady for instance? I admit the latter is more complicated, but if the standard is being suspended by the league for cheating, well that did happen. I'll accept more of a defense for him on the grounds that the suspension was unwarranted though than I would for Belichick. I would of course include both of them plus the worthy drug users in my version of the football HOF, which is consistent with my baseball stance.