Given how our government seems to (dys)function, I'm doubtful that this would realistically solve anything. Government shops, with much higher employee salaries getting paid by taxes without any real public say in the matter, with another bloated set of "c-level" employees earning even more ridiculous amounts. We'd likely also see the municipal level people cashing in to top up their salaries by another couple $100k at least, to sit on a "regional grocery board", sorta like what they did in metro Vancouver. "You want me to participate in meetings related to my job?!?! I'm gonna need more money!!".
Public sector employment skyrocketed under Trudeau, to something like 1 in 5 working people in Canada being employed by the govt. The increases in wages for public sector employees was the primary driver of stats that said wages had gone up for Canadians post covid -- which is extra funny, because public sector wages are paid via taxes, meaning private sector peoples wages generally stagnated, and their tax payments started providing less bang for the buck. And it's often 'shielded' in the media -- like BC Transit says stuff like they need more gov funding due to "Inflationary pressures", but in reality its "because the public sector employee union negotiated larger YoY increases than is seen in private sector, so our budgets are all blown and we need more of that tax revenue". You can see the compensation in their financial reports - over 80% of their HR budget is eaten up by staff earning more than the median salary in Canada (the median basically being their 'entry level' salary). It's difficult to rationalize why driving a bus warrants a salary in the top 10-25% of the country. For low skill work in private sector, there's basically a salary cap, and if staff want to go above it they need to change jobs / take on more responsibility -- the business can replace the staff member with a more junior person, earning a more junior salary. It's how you tend to need to manage your operating expenses. In public, that's not the case as you can just keep going back to the public troth demanding more of that tax revenue.
I mean, hell, look at what's going on in fauquier-strickland. A community with less than 500 people, and an operating budget deficit of 2.5 million?! That municipality is serving fewer people than my highschool graduating class from decades ago, yet they have an annual operating deficit of over 2.5 million.... and it's a fairly common situation for a lot of these smaller communities. And they've opted to go to the province for money, rather than increase taxes locally by ~$5k per resident to cover it. So everyone gets to share in the joy of inefficiency. The bloat's absurd.
So we'd get unsustainable grocery stores staffed by people earning six figures to do entry level shit, increased tax burden and decreased gov services in other places to compensate.