I think that sometimes we can take our secrets a bit too seriously. There are a lot of ways in which people can enjoy and appreciate magic, and for some people just knowing how something is done is enough for them. They aren't a disgrace to anything, they're just curious. People can't be condemned for having enough interest to want to understand something but not sufficient to make them want to practice every day. A lot of people tell jokes, sometimes well but often badly, without any pretensions to being a comedian. Are they a disgrace, because they haven't developed the tradecraft of a professional before they dared to attempt such a thing?
From my point of view, a magical performance shouldn't live or die depending on whether someone knows how certain moves and effects are achieved. If your character as a performer is based solely around the fact that you know something that the audience doesn't, then, as far as I can see, that's not much better than the pupils of YouTube. There is so much that marks out the serious magician from the guy who knows how a couple of tricks are done. The finesse, elegance, theatrical ability and technical skill of the adept should mark them out instantly from the dabbler. If the YouTubers are able to destroy your performances, maybe these performance weren't that strong in the first place.