You theorize that the boom/bust swings will diminish in intensity until eventually bitcoin becomes stable.
Others theorize that the boom/bust cycles will grow in severity until eventually everyone just gives up on bitcoin.
So far there's very little evidence for the stability option and a lot of evidence (and economic theory) for the speculative bubble theory.
Do you have any evidence of the "market share" of bitcoin users who are in the market for purely currency reasons growing relative to that of those who are in the market for purely speculative reasons? From everything I can find out it seems as though the reverse is true.