The problem is that even the T and X model Thinkpads have been chasing thin and light above build quality. They no longer have protective metal cages, the keyboard isn't as good, and its bends/flexes (which makes sense considering its thin). I get thats the "modern" laptop design but I wish they went back to making massive laptops.
Nearly every laptop OEM has been making comprimises, if you want a true classic Thinkpad style laptop (thats thick and has good build quality) the MNT Reform is the only option. Its massive, thick, has a mechanical keyboard, has an option for a trackball, and isnt particularly powerful (the Raspberry Pi CM5 is realistically the most powerful thing you can put in it).