Yes, probably a really stupid thing to say, and perhaps wrong for many reasons.
No, he did not say India should have kept Britain as its colonial power, or any of the other incredible interpretations now flying around the Twittersphere.
Jonny Axelsson: Anti-semitism not the opposite of semitism. Now whether anti-colonialism is a thing is another thing. Americans, esp. right-wing, have Humpty Dumpty appoach to redefining words but in context is clear: @pmarca referred to the post-colonial anti-colonial mix of nationalism, socialism, abuse/power that afflicted many ex-colonies
Marc Andreessen: Exactly.
https://twitter.com/pmarca/status/697281882401026048
[Please disagree with Andreessen's point, not with my point that he really didn't say take India back to British colonialism but said something else that perhaps is almost as stupid.]