Complete and utter nonsense.
The distribution of wealth has been steeply upwards for a long time now, with inequalities getting ever more severe.
At the same time top rates of tax are at an historical low.
This is a major cause of our decline in world terms and a deliberate ideological tory policy.
It's also a major opportunity to claw back these ill-gotten gains and increase public spending.
"Wealth inequality is high and rising and more marked than income inequality. In the UK, the bottom 50% of the population owned less than 5% of wealth in 2021, and the top 10% a staggering 57% (up from 52.5% in 1995). The top 1% alone held 23% (World Inequality Lab, 2022)."
Google the topic - you will find page after page saying much the same thing
https://equalitytrust.org.uk/scale-economic-inequality-uk/