Nothing wrong with a friendly face, its more that it can throw you out of your flow, especially when trying to debug some code. This describes it best:
Nice comic! I think I face this trouble less because I document everything extensively. It costs a bit of time, but every bug I investigate will have notes on my notepad/a google doc to go along with.
https://heeris.id.au/trinkets/ProgrammerInterrupted.png
This for me is why WFH suits me so well. In my morning I get around 4 hours of pure uninterrupted coding (as long as I stay off here or reddit).