I agree with this. I feel it takes away from the standardization or uniformity 2 and 3 char TLDs bring to domains. Also it does feel like a bait and switch- where for so many years three character tlds (and then 2 char tlds) were so valuable and sought after, only to have these >3 char tlds come along and change the landscape/market.

Additionally, I always found it interesting how the .xxx TLD never took off (was essentially DOA), even after they were so popular and valueable in the pre-sale auctions icann and others conducted b4 their introduction/release several years ago.