Simulation Lag. Get A Better Computer?

the problem is more bad coding than nothing else. i've played this game on both a good pc and a bad laptop and i had those issues on both. apart of what carl said, in the pic below here's what a guru said in 2017 regarding simulation lag (it's from the thread i posted above)
https://live.staticflickr.com/65535/50501918403_b694b35b95_c.jpg