Sentiment is in flux. That statement was made months ago. If the rest of the community adopts XT, they'll move over too.

You think that sentiment changed?
F2Pool admin Wang Chun said:
We will wait and see what other core developers think of Gavin's proposal. But we will certainly not switch to the altcoin called 'Bitcoin' XT. It could set a very bad precedent if we do that. No matter who you are, you cannot make a new coin and declare it is 'Bitcoin' simply because you do not agree with other core developers.
1 month ago:
Update July 7: AntPool, accounting for some 20% of hashing power on the Bitcoin network, sent us the following response:
"We like the idea of increasing the maximum block size, but if Bitcoin XT is too contentious, we also don't want the community to be divided.