I consulted a lot of businesses on their landing page UX, but never thought of this principle that I've just heard in the latest podcast from Codie A. Sanchez (I love her!) on communication. They introduced this idea that there are two types of messages that you can be sending out there in the professional environment: Warmth and Competence. And the truth is, we tend to like people who display both. Moreover, the research shows that we often feel suspicious of people who only project one.
That is why you intuitively know that in every important presentation you need to pop in a meme every now and then (can also be a quote, a story, etc). That is why super smart founders sometimes don’t win the pitch - because they just go all in with numbers and don’t show their vulnerable human side. It appears affecting trust negatively.
So how does this translate to your websites? Literally the same rules apply to your landing pages (as well as your marketing messages, SMM posts, etc) - you need to have both things present in a good balance: Warmth and Competence.