As they’ve defaced the obverse rather than the reverse, to me it’s as though they’re trying to portray the Queen as having that attitude! The reverse has largely been left unscathed, as though whoever did this can’t actually disagree with its sentiment...
I have enough of these from my Strike Your Own Coin visit on 31 January, and as I haven’t used cash in almost four months (and don’t plan to again), the likelihood of me getting a Brexit coin in change is nil!