Watched that fearing that Black Science Man would take it seriously and wasn't going to point out the obvious. 
From the way the guy worded the question I think his objection to colonialism is that like, say, British colonialism prevented China or others from colonizing the same places.

From the way the guy worded the question I think his objection to colonialism is that like, say, British colonialism prevented China or others from colonizing the same places.