Mr Miyagi is going through pre-CNY anxiety, I think. This is what happens when you are the ingterneck expert in your family, and worse, you are single.
My mother already quite advanced. She knows how to use Yahoo (but she doesn't know how to use her Nokia's phonebook, choosing to memorise all our numbers).
And she once told her school Principal "Attend what power point course? Why do I need to know about power points?"
I reckon when you've done your time, and served your 40 years in the teaching service, you can afford to tell them where to stick their powerpoints.
My aunts, uncles and miscellaneous older relatives all like to ask known authorities on things to do with technology, and every Chinese New Year, they'd ask me, because I am a known authority on things to do with technology.
"Wah, this ingterneck very good ah? No need to write letter anymore, just emu can already! You have emu? You emu me lah! I have emu! I have hotmew! You emu me to auntie underscore lilly at hotmew dock com lah! I check my emu every day one! What is your emu?"
This was maybe two New Years ago. Last year was:
"I have brogbang! My grandchurren all oversea also got brogbang! Can talk and see each other, you know!?"