I'm not a proponent of Feathercoin because I think it dilutes the crypto currencies in existence already.
Bitcoin already has the highest market penetration, with litecoin coming in second.
I'm not a proponent of the Argentine peso because I think it dilutes the currencies in existence already.
USD already has the highest market penetration, with EUR coming in second.
For a Litecoin miner (who was once a Bitcoin miner), why stop mining LTC? It's still quite profitable.

Please read the OT again:
No one forces you to buy a specific Alt-Coin. No one forces you to sell a specific Alt-Coin.
If you don't like a coin, just stay out. What's the problem?