I think it's the correct response, but in the UK, iMessage is essentially just a way to send SMSs, so won't really be missed. It doesn't have the same status as in the US. No idea if anyone uses facetime.
Does android just have a huge market share ? Off the top of my head I think I have three people with ‘green bubbles’ in iMessage and I don’t use WhatsApp at all. Canadian for what it’s worth.
Yeh apple is massive in the UK but because WhatsApp came before the apple domination every started using WA. Now, everyone just uses WA. In the IT field WA is a godsend when 99% of users have it.