Mark Roswell has contributed nothing to the planet. Eric Idle, on the other hand, has brought joy tom any generations of earthlings, over many cultures and continents. Roswell tried his hand at Chinese style comedy and while he impressed locals with his timing and pronunciation, not one local has ever called him funny, as in hilarious. He's no Zhao Benshan. ON the other hand, Idle could rest on his Python laurels and wipe the floor with Da bien-shan in terms of multi-cultural and multi-generational influence and significance. That's 1/4th of what has made both men famous in their respective circles. After the 80s era stand up bits, what is left for Roswell? Commercials and a "learning Chinese" TV show that has never once actually made a foreigner one bit closer to mastering Chinese.
Idle, on the other hand, has The Ruttles, plus a sizable amount of pre and post Python work that towers above the Canadian canard of Olympic brown nosery.
Then there's ethics. Idle's never been implicated in embezzling tax payer's money for foreign tv productions in his homelands (by birth and adoption). IS there even an ever growing undercurrent of anti-Idle sentiment on this planet? I wonder.
In summation, to bring up Mr. Roswell in comparison to Mr. Idle
is similar to putting lipstick on a pig Now we are full circle with the dueling Palins!