I imagine this is what Trump meant by building a big beautiful wall (double meanings). That the wall somehow blocks these (dark) interdimensional entities from getting in here...i.e. Q said that the wall is for so much more than you know.

Awhile back, Trump mentioned in an interview on illegal immigration, how the immigrants are 'getting in here between the portals, that they don't go through the portals, they come here in between the portals....just seems like "portal" is an odd word choice for illegal immigrants sneaking in across the border. And you know how Trump uses double speak a lot.