He didn't really address it. He's comment straight after is enlightening.
"When I hear politicians on the Leave side talk about sovereignty, I am again suspicious. What I hear is, “I want unfettered power.” But unfettered power for the Boris Johnsons of this world is not in my best interests or the best interests of the UK, which is why I shall vote for the fetters."
Which means I don't agree with boris Johnson(Despite people voting for him) so I want my values forced on the people who voted for him by a higher power. Ignoring the fact the higher power maybe even worse. You have no idea who could be control of the EU in 20 years time. Your just moving trust from one set of people, to another set of people. Your problem is still there.
The likelihood of one country voting for a populist demagogue[1] (especially via a FPTP system) is smaller than the likelihood of all European states opting for one; quality and inclination of leadership tends to revert to the mean as electorates become more diverse and coalition bargaining more essential. Especially if the organization is a supranational organization purposefully structured to dilute powers rather than centralise them.
As a general rule, extra appeal courts and more bureaucratic checks and balances are more likely to be a buffer against tyranny than a source of it, especially since the possibility of future withdrawal via referendum if the public start to fear what the EU is doing in future still exists.
[1]I don't believe Johnson remotely fits that bracket, and I think the UK's chances of electing an actual demagogue are relatively slim, but the general point still stands.
Another way of putting this would be: Where does the subsidiarity max out? I mean, the minimum is just, you are free to decide yourself. Above that, your local council, above that maybe a city mayor, above that parliament - basically the PM and the cabinet, the other MPs rarely rebel. This is the Boris Johnson as post Brexit PM level. If we Brexit, the buck stops here, this is the maximum. If we don't, there's the EU over that (which presumably has internal regional subsidiarity too, but I'm not good enough at civics to know how).
So it's reasonable to distinguish "I don't like Boris" from "Boris ought not to be where the subsidiarity maxes out, some decisions are better taken over his head."
"When I hear politicians on the Leave side talk about sovereignty, I am again suspicious. What I hear is, “I want unfettered power.” But unfettered power for the Boris Johnsons of this world is not in my best interests or the best interests of the UK, which is why I shall vote for the fetters."
Which means I don't agree with boris Johnson(Despite people voting for him) so I want my values forced on the people who voted for him by a higher power. Ignoring the fact the higher power maybe even worse. You have no idea who could be control of the EU in 20 years time. Your just moving trust from one set of people, to another set of people. Your problem is still there.