Not golden handshake
more golden p*ss off we are sick of you
The ET are there not to punish your employer, if you wanted that you should have been born rich enough not to have to work, the ET is there to remove access to the expensive civil courts system reserved for those who can pay even if they loose.
At the point where you have refused a reasonable requirement of your job you have already lost
Not saying that this company didn't deserve to be punished just that the ex-employee left themselves open especially after reneging upon a reasonable agreement about not to take notes. having a witness who can disagree with their opinion of what happened is enough. Being reasonable and trustworthy is paramount to having your side listen to if you are in any court and being overtly stroppy is going to work against you.