I am looking at it from Webmaster/Developer perspective, hourly rate wise.
What he did opens whole other can of worms. Cauz he wanted too, entire web has to re-program that fand-dang Icon now. Be it on a website in the footer, email attachment image that is sent in your promotion and so on and so on.
I have several clients so far when asked if they want to do the change(billable time) that said: it's a Bird, It's a Plane = F Musk(shorten term for clarity).
Only One, so far, came Down the Chimney knocking: We have to do this right away, get rid of poultry now, I want my fat X and I want it now!
^ In her case, it is a CMS where she was allowed to insert Twitter logo in contents of "Company Blog" Posts.
Now what we do?