I get the sentiment, and it’s not a black and white (sorry for the pun) answer I think. And yes, celebrating your culture should be good for everyone.
Unfortunately, some people saying “pride” mean “There are great things in the culture and people where I emigrated from” and some people mean “the culture and people where you emigrated from are trash”. And “white pride” has historically been used by people meaning the latter.
Pointing out that “white pride” COULD also mean the former doesn’t remove the implication it comes with for the latter. If I wanted to express the former, I would pick different words. A person doing otherwise usually either expresses ignorance, callousness to the second implication, or them just trying to get away with saying it meaning the second thing by hiding behind the first.
I had a problem where my Prusa had first layer problems exactly like this but only in a specific area. Two things fixed it. First, increasing the mesh leveling to use the maximum amount of points instead of just 9 or whatever the default is.
The second was discovering the tiny piece of filament that had fallen onto the magnetic heatbet, below the sheet. It dripped from the extruder at some point, and it was black so it was basically invisible. I only found it when I thought to check if anything was making the bed uneven. I didn’t even have to relevel the bed.