Someone did the math on Twitter.
There is about 2900 Linux gamers playing Apex.
So even if 100% of Linux gamers cheated it could in no way be the majority.
What I think happened is the dev team struggled to solve the problem so they used Linux as a scapegoat when leadership came down on them.
Get a domain and register an MX record.
If your email provider shuts down, forward the mail somewhere else.