But the fact is, these things are done all the time, in all coins with any volume in them, and it usually does not murder the coin so completely as has happened to FLT.
Only coins with significant (50btc +) daily volume are experiencing these mechanics in a scale big enough to be worth looking at. Any other low volume coin is irrelevant – the idea of course is still there, but the market isn't pushed in either direction and nobody gives a crap. Nobody murdered FLT, just consider the price swings as opportunities. There's no point in maintaining high price if you didn't buy low, get it? And given how susceptible to emotions all cryptotraders are, why not repeat the process over and over?
FLT is a good coin with solid market action (see consistent trade volume) and attentions from all traders. It's not worth it to push the price up/down in a coin that nobody cares about – you need to buy-in and cash-out at some points and for that you need real volume (not fake) ...