I votes no for the official F1 league, but would vote yes for separate F1 league for vegetables.
And by vegetables I mean bots that use Chloroplasts, not bots that are fed for free.
Chloroplasts has a cost to it, in the form of mass/weight (And of course the cost to make it, which is minimal compared to the payoff in F1)
I made a Chloroplast using version of FF to test it, and it made it even more impossible to get rid if it, since it would no longer depend on any food source and just endlessly spread. (And that's how I know about the high mass of Chloroplast, probably about the same as for shell?)
My main issue with a vegie leagues, is that vegies don't need to fight to survive, they can flee to survive. So 2 vegies who flee to survive pitted against each other... well you would never see a winner. So you may need a different winning criteria. Like first to reach a certain accumulated amount of energy or something (So you can fight or flee, but energy is the end game in some form)
Not sure... maybe someone will have a good idea for this.
But for F1 I think Chloroplasts are imba. On the other hand there are other imba moves that people use as well so...
Mainly worried about a ton of endless battles in the long run. Fairly sure FF with chloroplast would be near impossible to eradicate, you would need a good way to kill it and have lots of bots to do it fast before it spreads again.