Earlier quoted context omitted.
"universal benefit program" meaning it is designed from the beginning to replace the 14, so now you have 1.
Designed to /= actually will There are plenty of campaigners on the left - the UK Green Party is an example - that openly campaign for a BI in addition to most of the state benefits that already exist. And when it comes to implementation details, it's quite hard to believe that many left wing proponents actually would take the "well if the BI isn't enough for you to afford your social housing once we sell it off, may…
You can read the detailed proposal at: https://policy.greenparty.org.uk/assets/files/Policy%20files...