Why do half of BL webtoons start the same way? 😫

I still get shocked everytime

Because half of BL lovers love them that way.

Half? You're nice. I'd say it's 2/3 of the time.
They want to make an impactful impression by starting with a smut scene although this is a major spoiler, but this is getting annoying because there are so many that start like this.
Gross and lazy process