I agree but the alt coins don't have the same community/ecosystem Bitcoin has. Also it is hard to find a good coin in such a saturated market full of scams, clones and pump & dumps. But I agree with you their is that potential none the less.
Yeah, a lot of research are needed to find a good coin, but spending a few hours visiting a coin's community should be enough to judge if it is legit or if it simply is filled with speculators.
A few coins do have a nice community.