In a world where high quality recording devices can readily be shipped around the world, even in Corona virus impacted areas, and the internet exists....yeah, not a valid excuse.
In addition to the equipment, you need a treated room, or at least a booth.
Can Belgians even hear the difference between an American and British accent? I mean, I've been told there are all sorts of regional accents in Germany, but Germans speaking German just sound like Germans to me.