More and more companies copy this blindly. There are cases when this works well, but here, it's more than just annoying.

An unfortunate case of designing for trends instead of designing for users.

This style is Powerpoint for the web.

The thing that gets me is the color contrast between "slides". Not very pleasing to the eye, unsettling really..

This can't be stated enough: everyone hates the scroll thing. Everyone. Even if people don't hate it, it sure isn't going to bring them more business. More the opposite.

Ah! Here's the list - https://sealion.com/features

i agree that the scrolling is very annoying. If it is on mobile even worst.

I didn't find it terrible until I got to the end I kept scrolling and ended up back at the beginning. That was a pretty terrible experience.