The OQLF (aka "Quebec language police") is relatively in the Trump class.
(No personal experience, but this is what my French-speaking relatives in Quebec say, and the occasional news seem to match it.)
It's really not that bad. It's mainly there to make sure companies don't alienate Quebec's native french speaker. You can do fine in the Qc tech industry even if you barely understand french (Source: personal experience)
As a Canadian in Germany, you seen nuthin'
The German tax ROI seems much better to me, but I miss my $575 Montreal rent.