Hello Ronan,
That is the feedback we receive from our sales team as well: potential customers are less inclined to dismiss what you have to say if you send them a chat invite stating clearly what you want to talk about and how long that should take.
Hubgets Page also empowers introverts into the process (as they will always be more comfortable to communicate in writing than over the phone, or in person). Reading your question, this came 5 Ways to Empower Introvert Team Members.
People will communicate more if they feel comfortable, and instant messaging offers that safe place.