You really need to look a Youtube comment sections when they discuss racial issues. You will see a ton of posts from a ton of people saying exactly that.
I'm sorry, but I don't count the veritable sewer of the internet as carrying much weight. I know that sampling bias is an issue, but I also know that I have never seen a
politician in a prosperous western nation say 'we should never send any more aid to African nations' or 'It's all their own fault!' etc.
I'm sure if I looked hard enough, I could find some local or state level people who do, simply due to the law of large numbers. That said, until I see serious national players trying to argue this position, I'm going to treat this issue as just another way the left is trying to beat the 'white guilt' horse.
When I was a kid, my parents were giving to charities that worked in Africa. They did that 'sponsor a child' thing. We moved to the Middle East when I was 4 so that they could engage in mission work there. The primary consideration for my tithe this year, is an international not-for-profit that includes Africa in the places it goes to.
'But colonialism!' is, from all of my experience, just another thing like 'but how the native american tribes were treated!' that the hard left tries to use to whip up sympathy. Yes, there were bad things done in the past. Yes, there are a few fringe nuts who actually argue against them. But trying to blame me or anybody under the age of 60 for what happened during Colonialism is ridiculous, and stirring up racial/regional hatred and resentment doesn't help
anyone.
If you show me some ancient colonialist man who was part of an oppressive regime back in the day, I can believe that person might owe some guilt or reparations. But that's about as far as it goes at this point.
(Note: I'm aware there are more contemporary (but less drastic) issues with specific reservations and programs with native americans in the US more recently, but this isn't the place to derail into that)