Really if a persons first impression of Public, it amazes me at how poor activation system it.
We have so many hacks to try incognito or clear cookies or open another browser etc.
Terrible first impression to new client.
If you insist they use Browser X then SAY use Browser X
If you want them to activate dummy number then port SAY activate dummy number then port
If we know there are issues porting from certain carriers SAY there are issues
etc etc etc