Yes

Here's a lesson, (learned personally BTW).

When you hear '90% of startups fail', failing usually means they wane.

It's like flying a kite (by someone bad at it). You can run with your kite and make it 'fly' but then you get tired and it falls to the ground. It can be a hundred reasons, it is either a bad/defective kite, it may not be windy enough, or you have to run faster for it to fly.