The 'bank of mum & dad' is an engine for consolidating & maintaining inequality.
The top 10% of earners received a disproportinate amount of help from family members to buy their first home.
As the size of the transfers for the top 10% suggest, the rich are helping themselves, stoking inflation in the housing market & blocking normal people's aspirations to own their own home.
One more dimension of the UK's problem with inequality, which compounds over time!