as long as you're not overextended, are fully prepared for total oblivion and you believe in the project then it's worth a flirtation. there are projects that came back from nothing. litecoin looked deader than a dead thing and went 200x.

the people who buy in the doldrums when the spotlight's elsewhere are the ones who get rich provided the coin goes places of course. and many more who did the same and lost it all.

i wouldn't be betting the family home.