Random sidenote: I feel that a ton of sites have the exact same visual style as kinsta. Is this a template or something? If so, which one is it?
Gradients
Diagonal limits between sessions, these escape a little bit from traditional HTML-boxed content and suggest scroll-down behavior.
Top left Logo, top menubar for quick navigation.
Text to the left, images to the right
Why listen to someone who's basically got the new version of a flash website?
Also, try making your screen half width, as if you had two browser windows side-by-side, something I do regularly.
I mean, it's one thing to throw mud about everyone copying stripe, it's another when your own site is shockingly bad.
All it does is show that perhaps it's better to have designers copy successful designs given what they'll sometimes do left to their own devices.
For example, I searched for "people working" and this was result #2 which is in a similar style: https://www.shutterstock.com/image-vector/set-isometric-busi... .. and the illustrator in question has numerous graphics along a similar style: https://www.shutterstock.com/g/yindee .. this was just the first one I found, there are hundreds of such illustrators, though. "isometric" is another good word to use in searches, BTW, see https://www.shutterstock.com/search?searchterm=isometric+ele... for example.