I believe that most problems with dating can be solved by a period of looksmaxing (getting in better shape, getting a better haircut and dressing better) or putting oneself out there more (going out more, and talking with people more, learning to hold and move a conversation etc.)

If a person is a great conversationalist but not attractive they usually get put in the friendzone or do not get the sort of attention they desire often. This can usually be solved by some weight loss, a better haircut etc. Simply reading the weight loss reddit shows how much simply getting fit can help with dating and getting attention from the opposite sex. Almost all the contributors state weight loss showed increased attention from the opposite sex.

With conversational skills the only way to really develop them is to talk more and more and learn to read reactions. You might need a coach for this if you are very behind but even so improving here will improve your life.

If someone improved in these two aspects they can overcome almost any hindrances in dating.