It all seems to be discussion/speculation around taxes on people (income/property/inheritance/wealth/national insurance/ISA etc. etc.) and no mention of corporation tax which currently seems to be about half the rate it was in the 1970s ...
https://ifs.org.uk/taxlab/taxlab-data-item/main-corporation-tax-rates-over-time
(Is it possible that large corporations that own various media have been making sure that corporate tax isn't being widely discussed?)