I'm a little confused by your description – it doesn't seem like a tirade at all (and indeed "colonial" is the interviewer's phrase), or even a judgment on anyt

I'm a little confused by your description – it doesn't seem like a tirade at all (and indeed "colonial" is the interviewer's phrase), or even a judgment on anything: more like a sober conversation about the history of mathematics, the introduction of proof, the role of the Western tradition, and what "mathematical thought" has looked like elsewhere. I might suggest we're seeing the word "colonialism" and jumping to assumptions. I think there's a quote that illustrates her argument more accurately: We might marvel at, say, Amish people raising a barn or Inuit people building a kayak without any European formal maths training. We might declare that this is maths — and I think it is. But it’s problematic if we think we’re doing them some great honour by bestowing the label of maths on what they do.