It is of course difficult to make unsubstantiated claims with a foundation.

People didn't accuse Evolv of coping because they did not copy anyone, they developed and patent the technology.
You probably don't know Evolv were the first to offer variable wattage too. Everyone else copied that too.
In law, the word slander is contrasted with libel, which is the act of making a false written statement
You quote this and then use the wrong word?
It is the same technology originated by Evolv and copied by everyone else offering temperature limiting to date.