Most customers understand this and are willing to go along for the sake of a valued supplier. If they said, "We need you to upgrade to make life easier for us to provide for you in the future," most would say OK.
But when they say, "IE 6 can't provide the same web experience that modern browsers can," inquiring customers want to know what that means before they commit. My comment wasn't because I disagreed with 37signal's move, it was because they never provided any supporting data.
If they used the first line, I feel like the customers would be less inclined to upgrade and be averse to the idea of upgrading. "We're the customers, you should make life easier for us."
The new browser technology will never take off if people don't start switching over, even if the use some finesse in their wording.
It is common knowledge that IE 6 has serious bugs and problems. I'm not going to rehash them, because they were discussed in other responses to edw519's initial comment.
Most customers understand this and are willing to go along for the sake of a valued supplier. If they said, "We need you to upgrade to make life easier for us to provide for you in the future," most would say OK.
But when they say, "IE 6 can't provide the same web experience that modern browsers can," inquiring customers want to know what that means before they commit. My comment wasn't because I disagreed with 37signal's move, it was because they never provided any supporting data.