bredamcguigan Hi. I'm 100% sure Your is the only report of such thing. Also as mentioned my email is being added to about 40-50 websites I've helped to install/ntegrate builder at, so I would expect to get at least one mail, but I have nothing.
And also the fact that google mobile check is not mentioning those issues. I really do not know what have triggered those for google in the first place, but it doesn't look to be impacting seo or mobile usability as well. So I would suggest ignoring it and see what will happen than. If You will see any additional problems with that, please let me know imidietly.