I largely agree here. Some of this would have to be tested as you point out, but we need some key changes to make stuff work, be fun to play as and against, and for a more balanced experience.
One thing I would add would be to make Spikeweed more useful for Chomper. Right now you can ignore it most of the time; it's hard to get it to land where you want it and it's too easy to destroy; I think it has 25 health or so. I like being able to launch it over range, but it's the weakest part of Chomper's kit and if they adjust grody goop to be less powerful, it will make spikeweed's current poor state all the more glaring.
That is a very comprehensive list @SundropDot, and like most times, I pretty much agree with the lot. Corn does not deal enough damage to be particularly worthwhile. Sunflower and Scientist could definitely use some changes.
