This is literally the same in NZs tourist hot spots.
Some of the more popular hiking spots, are very over crowded. Try getting to the bar in Queenstown!
Of course.
But nearly everywhere in the UK except for the depths of Scotland is populated. There isn't really anywhere that's devoid of human activity. Very little wilderness left.
Wales is much better than England. But it still doesn't have that "wild" feeling.
Human influence is literally everywhere in the UK. The loss of biodiversity here is extreme.