What is the Light?

There is a vegan alternative for everything good now,
Even next door’s brand new baby.
I can hear its attempts to say ‘Quorn’ through
The walls, if I squint with my ears.
I  am glad for walls. For anything that keeps us
In place, like commas at the end of lines,
Or roads free of cars just after the rush,
When they have finished their work and
Are just keeping all that’s above from
Everything below.