That's one point of view. However, as you have said UKIP have collapsed. They are gone and are never coming back. The fact is that voting has been skewed over the past few years because of UKIP.
You need to get used to the fact that they are gone and won't be seen again.
Interesting to note that normality is now returning:
https://yougov.co.uk/news/2018/05/10...our-38-8-9-ma/