ASICMiner is:
A) Horrendously overvalued
B) About to bring a great deal more hashpower online, likely 200TH or more
So your comparison proves nothing.
A) The market doesn't agree with you. And we're talking about the difference of 1.4 to 20 here, 14 times as much. What do you think the right value of AM is? 0.2 BTC per share?
B) And LC will just stop bringing more hashpower online of course?
The comparison is completely appropriate.
If LC brings 50TH online, it has already proven itself trustworthy in the same way AM did and deserves a similar valuation.