Everyone's costs are going to go up significantly as a result of replacing broadband that mostly uses existing infrastructure with a program of ripping up every street in the country and installing new fibre optic connections to every house. Making it "free" and taxpayer-funded just means that there's no way to opt out of paying if the existing broadband is fast enough.
This program isn't "taxpayer funded". It's funded specifically by taxing tech companies, as is literally stated right below the headline in the article.