He had a special CRT monitor to get the best refresh rate to be as competitive as possible for the game
Feels like a lifetime ago
People like that always trying to compensate for a lack of skill
I remember in UT99 for years always running into situations where my aim was slightly off in situations where I was dead sure it should have hit. Turns out it just used the mouse acceleration feature in windows: the speed at which you move the mouse influences how far the crosshair (or cursor) moves. Once I disabled that I became about 5x better. The next big jumps were turning off vsync (and making sure it doesn't turn itself back on) and going back to CRT from LCD.
in Eastern Europe we had computer clubs, which were like internet cafes, but without internet. you went there to play lan games, paid by the hour. they were usually packed, and people were usually decent. you had computer club rats, and I was one of them. I played q1, q2 and then cs for money. you show up to a club, strike a pose, "your club's cs fu are that of a dog, I challenge any one of you lamers to de_dust 1x1 deagle only", and then sometimes if you met your match you'd put cash up. even working, well maintained hardware ranged in quality to the point of making significant difference to a game. you always carried your own mouse at least (and sometimes a keyboard), and a config on a floppy disk. but the one thing you learned to spot were monitor makes and brands, for the reasons guy you responding to stated. in fact, occasionally computer club admins in collusion with their house teams will put you on a machine with poor monitor. if you had big team vs team match planned, you'd schedule an outing to a downtown club with known high refresh rate monitors and quality hardware (they were never "the club next door" and their hourly rate was usually higher) to both level the playing field and provide peak possible playing experience.
it is also from the world that's entirely unconnected to the American obsession with "buying the best skiis, recommended by the skiing daily magazine, before ever getting to a slope", which is a real thing, and I agree with you there.
there's definitely a Boris somewhere in the middle of nowhere who can cyka blyat on a 60mhz crt and a pentium 4 in cs:go to this day smh, and there's also a lamer with souped up ryzen who can't aim for shit. but all else being equal competitive advantage from hardware is not always and not exclusively "golden vacuum tube amp connectors".
We were one of the first to get cable in the area, so our ping was generally about 5ms..
This was when many others were still on bonded ISDN for a (nice stable) ping of about 120ms or dial up (150+ ping).
That made up for a lot of skill :D