I strongly disagree. That is not how capitalism works. You should take advantage of every opportunity you can to get people to try your product. If you have a superior product they'll stay, if you don't they won't.
Furthermore, "gentleman's agreements" like these are fundamentally anti-competitive. The sentiment is an us vs. them one, where 'us' is vendors, and 'them' is customers. While misleading statements about competitors should be unacceptable, since it hurts customers and the industry, the same cannot be said for vigorous competition. It is also worth pointing out that it's expensive to prepare for rare events, and the c…
That's quite a stretch, given the usual definition of anti-competitive. A "gentleman's agreement" to not lower prices, or not to expand into a certain market, etc., would be genuinely anti-competitive. This is simply an agreement to not kick somebody when they're down. That's just good sportsmanship and integrity. Personally, I think more companies should display this kind of thinking.