I don’t get the surprise… Apple has ALWAYS been like this. They don’t want “normies” screwing around with “their” gear.
Heck, you needed a case cracker tool to open the OG Macintosh machines, they were specifically engineered to keep people out.
https://archive.org/details/mac_Mac_case_cracker_instructions_box_198x
“Gaming”
“Sub $1,000”
My gut reaction is “choose one”.
You might be able to get a gaming laptop under $1K but get ready to replace it in 2 years.