No, I don't think so. In my experience of traveling around and trying to speak various languages in a broken fashion, the biggest difficulty is the native's receptivity to trying to understand you. The second biggest difficulty is ease of basic pronunciations, and this does vary a lot between languages. For example, currently I'm in Vietnam, and local people do not try to understand foreigners who speak Vietnamese at all. By locals, I mean people I meet around during the day like shopkeepers and service people rather than my friends. The pronunciation is also extremely difficult because of the tones and the very large difference in regional accents. It's frustrating and I have given up trying to learn the language because of this.

I would accept that France is slightly harder to pronounce than English but as a beginner/intermediate French speaker I don't personally believe it.

However, I definitely agree that people in France - especially Paris - are not receptive to foreigners speaking French at all. They don't support you, and you do feel looked down on for speaking badly (in comparison to Vietnam where you will never feel looked down on, you'll just receive looks of confusion). Again, I don't mean friends that you make. I mean the general French populace that you meet while going about your daily business, in shops, restaurants, and so on.

Spain, Italy, Greece are similar to France in that they are condescending towards non-native speakers. Mainland Greece was the worst for me. Meanwhile I would say that Portugal, Indonesia, Germany, and many English speaking countries (at least in cities) are quite helpful and friendly towards non-native speakers. Of course, I only have my own limited experience to go on so I may be wrong.