That is true. It's a difficult issue to discuss but it does nobody any favours ignoring it.
I think, there's a minority of genuine bigots who hate anyone 'different' or 'not from here' (aimed at both the domestic displaced and immigrants).
However aside from them, none of us want to create a hostile atmosphere, make people feel unwelcome, or lack empathy.
We do though need to be able to discuss things. Both the issue of the domestically displaced and the issue of mass immigration. We need to look for solutions that don't whip up hatred, or are kneejerk.
Solutions that are compassionate to newcomers (domestic or from abroad) but also take into account the needs of people already in an area, especially the disadvantaged.
I don't know all the answers but simply ignoring the impact especially on disadvantaged people and communicaties, of both mass immigration and mass domestic displacement, is unhelpful and increases resentment and then we have threads like this one.
Although it won't solve everything, the issues would be helped a lot if we had well-funded public services, more council housing, and good work education and training opportunities across the country.
Returning quickly to London specifically. With second homes, I understand London has the most second homes in the UK (and perhaps not uncoincidentally, the most homeless people).