it absolutely is considered tourism. But you must have the means to support yourself. Which is a very low bar. You can fear it all you want but no worries for me at all
you are unfortunately using both old AND bad information. Changed in 2024.
There is no limit whatsoever on entries by air. Never was. There is now (since 2024) also no limit on land entry. Two was the previous limit. No crackdown. Simply more internet. And more people here learning the hard way. The millions who come in with no issues whatsoever don’t write a long story about it.