I think that you describe it well and I share the frustration that so many of 'us centrist types' get labelled 'hard-right' as part of what appears to be an attempt to demean when it is just nonsense.
Couple of points in support of what you say:
1. I did that same political compass test and came out centre-left as I expected
2. I read that analysis of the GE voting showed that the age that people are becoming 'less socialist' is dropping dramatically, incredibly from 47 to 39 reported in this analysis:
https://www.aol.co.uk/news/2019/12/...e-likely-to-vote-tory-than-labour-is-getting/
and that supports your view that
3.".
....many of us aren’t fully entrenched in one camp and we have a mix of left and right wing views. In short, win the centre ground and you win the election." - and the issue for the Labour Party in 2019 and for many years to come I fear - is that it is now under the control of a group that exult in their purism - and this will ensure(d) that they have offered and will continue to offer what will be seen as an unattractive extreme to those of the centre.
As, what I consider to be a traditional Labour Party voter, I worry that the LP will not return to an electable position