Mining an altcoin now is worth it but for bitcoin I don't think so. But we should always remember that we are taking risks, we don't know if that altcoin can survive in the crypto world for a long run and can help you to make profits. It requires outstanding hardware components for you to feel that you're really earning...
I agree with you, it's very hard to get bitcoins on your computer. It is necessary to make large investments in the purchase of equipment and payment for electricity. In the end, you get very little