You can still blame the market. A good market makes everything easier, a bad market makes everything harder.
But here’s the catch: You choose the market.
To share an example: When I started my react teaching side business in 2015 it was so easy. Growing 2x year over year, I thought I was some kind of business genius. Then one day it stopped. React became old, no longer the exciting new thing, the market consolidated into 2 or 3 big players with The Default resources and my stuff wasn’t one of them. I totally missed the land grab aspect of the early market phase and didn’t go hard enough on pure growth. Not a business genius after all.