It's pessimistic of me, but I suspect that once the current crop of tech is no longer appealing for large investments some other sector will be found for the long term pump and dump.

The method of Buffet/BH obviously works, but it also seems like it requires a lol it knowledge and skill and patience, otherwise it would be much more popular. Rolling a new mark (or the same marks with a game with a new name) is much easier and reliable for those with less skill.