Certain CVARS should not be enforced on all clients because some will affect others differently.
If a person wants to enforce CVARS via config file, the client should have the option to accept such changes or decline them as in
EKS's CVAR Checker. This allows server owners to choose CVARS and use a config file, but prevents abuse of players by making the changes on them optional.
If the purpose of the CVARS is to even the playing field, and the person wants to force settings upon players, then they should use
Force CAL Open Settings [fcos]. This plugin has the option to force players to only play with settings enforced in the CAL Open league. These settings are known by everyone who plays Counter-Strike to be fair and do not affect players negatively.
In my personal opinion, forcing any CVARS other than those known for a fact to be fair is not wise. It may result negatively.
Either way, these two plugins take care of CVARs concerning clients.
As for high ping,
Easy to use High Ping Kicker does the job.
I'm not trying to bash this, but the idea of an all encompassing, forcible CVAR plugin is not new and in my opinion leads to admin abuse.
FCOS keeps the playing field level via 79 known tried and true CVAR enforcements--which are 100% reliable, and EKS's CVAR checker can take care of anything else a person wants.
That's just my personal opinion anyhow.