You could still get the virus and transmit it to someone who is less fortunate than you are. Like a loved one. Same reason mask wearing is recommended: not as much to protect yourself but others. In other words: people who don't only care about themselves practice social distancing. Take care!
Not by definition. Most are meant to be funny. I like creating memes that make people smile as well as to help them start thinking for themselves. Or at least look at things from a different perspective then the one they learned in their 'bubble'. Google 'meme definition'. Enjoy your day!