MtGox may or may not have good intentions, but considering that MtGox is probably making more money/value than any other entity in the Bitcoin community, the CEO is one of the board members of Bitcoin Foundation and they own the Bitcoin trademark. This means that they can if they like close down a competing exchange that is using the term Bitcoin, especially if it is used in the domain (most countries top-domains registrars can force a transfer to the owner of the trademark). They would most likely loose more than they gain starting such a process at the moment, but a company is not evil or wrong if it uses its assets to gain a bigger market. It is how the economy works. It feels a bit awkward that a commercial company have such power over a decentralized thing as Bitcoin and even more so that the community does not seem to care?
Please note that I'm not in anyway accusing MtGox, they may very well do this for the good of the community. I would just like to rise my concerns and get a discussion going.