Since this is part of your ASL course, you have to ask your teacher about this. As a former teacher, I had suggested to the students to leave the room if they really feel a need to speak to each other, otherwise it's perfectly fine to sign and voice together.
All parents should accept their children whatever and whoever they are. :)
As for all this, it is largely the communication issues. The parents are likely to feel inadequate or bad when they feel stuck not able to understand or comfort their own child.
Not quite everyone is that picky... it seems that in that area, religion plays a role in that so we see the people coming from families, strongly invested in religion.
Anti-individualism is very strong over Washington DC, right now.
I prefer the smell and feeling of the cards and chips under my hands... I also like the environment where I can chat and joke with friends over a poker table, having beer and pretzels.
None of that exists with online poker. Until they invent the holodeck.