Like so many other things in football, I think that poor or inconsistent interpretation of the existing laws is actually a bigger issue than the laws themselves.
On this specific subject of cynically stopping the momentum of an attack - if yellows were consistently handed out for what are in...
Wouldn't happen like that though, unless the offending player was massively THICK as well as cynical. If you are going to take a tactical yellow to prevent a quick break, by blocking the self pass, you'd make damn sure you 'blocked it' 30 yards away.
The rule does nothing to change that though? Under the current rules that player preventing the kick being taken, would be yellow carded - which is exactly what the proposed rule suggests for a tackle.
My thoughts are that you've probably misunderstood that 10 yard rule.
It wouldn't be that tackling within 10 yards of the offence was prohibited. It would be that a player stood within 10 yards when the kick is taken, is prohibited from tackling.
i.e. a player stood 11 yards away when the...