Since you want to draw comparisons: would you support a terrorist organization that tries to dissolve the USA and kill or drive away all people with European or African heritage? Surely all those killed deserve that, don’t they? Their ancestors made mistakes you see.
What is your point? It being a purchase makes them not settlers or not colonial?
So the Americans weren’t settlers because they purchased louisiana and Alaska?
Or to continue my India comparison, the British East India Company weren’t colonialists because they purchased land in India?
Is that really the implication you want to make here?
Since you want to draw comparisons: would you support a terrorist organization that tries to dissolve the USA and kill or drive away all people with European or African heritage? Surely all those killed deserve that, don’t they? Their ancestors made mistakes you see.