@Mr_Mofu I don't see the evidence of over-extrusion there. It may be the case that your nozzle is fractionally too close to the build plate, which will often cause ripples (or in extreme cases, gaps) as it pushes filament aside, and may be pushing already-printed areas off the bed. You may also get blobs as material scraped up is redeposited, which in turn can push more printed filament off the bed.

@HumanPerson This might give some useful context: https://parsingphase.dev/3dPrinting/ - my own reflections on my first machine.