I think that this community definitely understands the power of a name and the power of perception. So I can only imagine that this has been addressed before (probably around the time of changing names).
Darksend is an amazing feature and natural progression in this technology and cryptocurrencies as whole. However, we need to think more about the user experience and user perception. We need to get DASH to the point that a new user doesn't need a research paper to have a clue of what this function might do. Not only does the word Darksend not communicate it's function, but it immediately is given a criminal annotation to anyone who has heard the word "Darknet" or "Dark Markets" more than once or twice. While this function may be attractive to those who frequent "Dark" related content, they are only a small fraction of those who would benefit from this and without the "general users" the function becomes less and less effective for the lets say "bad actors" attempting to use this perfectly lawful function for less than lawful means.
It makes me think of TOR honestly. The US Navy released TOR publicly because without a mass of additional users the protocol is not near effective enough, and would basically provide US enemies with an even easier way to isolate their communications. This is exactly what's happening with Dash. Imagine if the Navy released TOR as "US Operative Safe Transfer Protocol" instead of "The Onion Router". How many parties attempting to browse anonymously would trust or adopt this protocol? Substantially less and it's debatable if TOR would have ever even gained traction. Onion Router also much better explains it's function, rather than it's original intended purpose (which as we see now is NOT its primary use). Darksend pretty much solely relates to it's original intended use not what it's actually doing.
Beyond the word "Dark", "Send" is also incredibly misleading. Imagine you receive your first dash deposit, you are now ready to purchase your first product/service and when using Darksend (which again is a primary function of Dash) it takes 12 hours to send your funds lol "This thing is fucking broken, fuck this I'm buying bitcoin" as we know most crypto nerds have such a colorful vocabulary
It makes much more sense to make it more clearly defined while more attractive to a broader audience. i.e. "Anonymize Funds" for the mixxing process & "Send from Anonymous Pool" checkbox for the actual sending of mixed coins. This is really a very short/generic version of my thoughts on this, but before I type a 12 page proposal I'll get some initial feedback lol