If France is a developed country, why can't the people there speak English ?

Even I know that cul-de-sac doesn't mean "Throw out the bag" but there are some guys at work that think Fragile is French for Football.

If Britain is a developed country, why can't the people there speak Franch?

Many French people can speak English. It's the only way for them to get on with us ignorant Brits who refuse to speak French.

A lot of people do speak English it is now taught in schools.

the migrant invaders can

Many French people speak English quite well. The problem is that many native English speakers don't or won't speak any other language. Most of the world uses languages other than English.

typical french response: "If the UK and US are developed countries, why doesn't everyone there speak French?"

You anglos don't have a monopoly on chauvinism...

Is your question designed to be insulting & ignorant or does it just sound that way because of your ignorance?

Wow, what a self-centred view of things you hold.

Most people in France can speak English as well as French.

How many other languages do you speak? or didn't you go to school?