Just a variant on the Reichstag fire trick, always trying to make themselves appear noble victims when they are the aggressors.
Says the no good foreign ET trolls. Stay in your countries. You have no business in the US as you are not US citizens. Do not even try to come to the US, we will have tougher immigration laws in a President Donald Trump 2nd term. I will urge our great President to keep you Anti-American foreign trolls out permanently, by tightening our US immigration laws.
I never watched it. 8.9/10 on imdb. Hmph. Have to check it out. Brit humor though, its kind of an acquired taste.
Once you acquire it, though, you bust a gut laughing when you finally "get" the British style of humor. If you do start watching the series, here's a pro-tip... Watch for the easter egg on the sign outside the hotel. They change the spelling of "Fawlty Towers" in each episode.