It's for this reason that I usually use > blockquoted text but even that is imperfect; is there some reason that HN doesn't support actual blockquotes? has it

It's for this reason that I usually use > blockquoted text but even that is imperfect; is there some reason that HN doesn't support actual blockquotes? has it just not been done, or is there some objection to it? I know that perhaps egregious formatting can be detrimental, but blockquotes seem to be one of those formatting things that is extremely useful in discourse…