It would still deal a huge blow to the usage.I just wanna butt in here and say: So? Why does it matter if you're never used in any modpack again, ever? You would still be able make the mod, the people who disagree with those neigh-sayers would still enjoy and play your mod, AND since you've already gotten so much publicity from being on modpacks for awhile you would be much better off in that regard then before, anyway.
I do not see the problem with fans harvesting crops. A strong enough air current certainly will separate the seeds and/or other "fruit".By the way, I'm surprised no one mentioned the Light Bridge, the Scalable chests, Fans harvesting crops, and a lot of other examples of 'lolrealism' (Not saying that those are bad, by the way)