no because it has already happened in some countries like Japan and it has already started slowly and on a smaller scale on some other countries. so your question is somewhat moot now.
The price we dream of for a BTC to be 5 figures is the day my mum has her own BTC account which she takes travelling and she 55 years old.
it doesn't matter how big or mainstream bitcoin gets, some people will never use it. the same way they are not using other technologies such as computers, cell phones, credit cards,... i hear some old people who say they don't trust or understand them so they don't use them. it will be the same with bitcoin.