Absolutely not.

There are both pros and cons to using a free version of Adobe Photoshop CS1. Some of the pros include:

from the old CS1 version, or would you like a recommendation for a modern free editor that fits your computer's specs? Photoshop CS2 (is dead). - Adobe Community

: Adobe provides free beginner tutorials and "Express Tutorials" for quick project starts. Free Alternatives to Photoshop CS1

The Evolution of Digital Art: The Legacy of Adobe Photoshop CS