Thank you both for your help! As Steven said, I probably needed a player collision sprite. That seems to have fixed everything in Awesomeggs cap file. In Steven's the problem still remains though with Wario falling off before reaching the right end of collision objects. Awesomegg's fix also seemed to fix a problem I suddenly had with Wario not being in front of the platform graphics.
The Down Button action was intentional to let Wario be able to jump through the object to the top and be able to jump back down through it ala a Platform School example. When he was falling off only the right end of the collision objects I guess it was because of the collision mask? Hopefully I don't encounter that again as long as I use this player collision sprite. I hadn't yet learned how those work but now I think I got it. Thanks again :)