Mark Shuttleworth had a vasectomy for free sofwtare

Shuttleworth insists that big missions—like his agenda to bring free
software to the world—require total focus and unwavering commitment. "It
feels a bit like climbing a mountain that no one has ever climbed and that
has killed a bunch of people,” Shuttleworth says. “You are going to go
through times where it feels like this thing has killed you, too. But, for
better or worse, I see the mountain and need to climb it."

You should be glad that Shuttleworth put his own personal money to get Ubuntu
going and maintain it. While it is true that the majority of the packages are
from Debian, it is nice that Canonical has put some quality control into
making everything work right and in return Trisquel since Trisquel uses it as
the codebase.

should I care?

Ubuntu has done a lot of good for the GNU/Linux ecosystem.

It was my first distribution and eventually through that I discovered the FSF
which in turn brought me here to Trisquel

Trisquel has taken out all of Ubuntu's nasty bits and built a far better and
stable distribution from the ashes.

He's not doing a good job.
http://www.gnu.org/distros/common-distros.html#Ubuntu

Now if he was sponsoring Trisquel or any other free distro...

"It feels a bit like climbing a mountain that no one has ever climbed and
that
has killed a bunch of people,” Shuttleworth says. “You are going to go
through times where it feels like this thing has killed you, too. But, for
better or worse, I see the mountain and need to climb it."
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I know exactly how he feels. I worked on a project years ago that was this
same kind of thing. I didn't have money to finish it though, and it failed.
Perhaps with his money he will see it through.

It would be nice if he sees the bottom line significance of free software.
Nothing else comes close.