Botting on a bought account?

[clmoore3]

How come a lot of accounts that are for sale say "Note: do not use bot, mod, cheat, etc" on them? Do they get instant detected and banned or something? I was really wanting to buy an account and bot it up. Can some people in this community speak to this please? Im new to ClashFarmer as well, only been using it on and off the past 3 days or so.