If SIM1 was to ban cars and enforce a 90kph limit, and SIM2 would stay the same, casual players would probably transition to SIM2, thus resolving the "SIM2 will never work because SIM1 always has more players". As soon as SIM2 starts getting close to SIM1s numbers, people are going to choose a server based on what they are looking for, realism? or casual drive. The more restricted SIM1 is, the less casual players will play on it, and they'll go on SIM2 or other servers, so those will get populated