As others have mentioned, everything you referred to pertains more to the tools people use to interact with Bitcoin rather than Bitcoin itself. That said, this doesn't mean Bitcoin, at its core, is not vulnerable to certain types of attacks. However, almost every possible attack on Bitcoin would cost more than one could potentially earn. People have attempted transaction spamming, brute-forcing certain keys, and spending non-spendable coins, but none have succeeded. To achieve any desired result, you would need substantial money and resources with little hope of success.

Overall, when comparing Bitcoin to other inventions, considering the limited resources Satoshi and the early developers had, I view it as one of the most successful inventions security-wise. Moreover, as the market grows, Bitcoin's strength will increase, which will enhance the security of tools related to it.

For now, please stop conflating user or code vulnerabilities with Bitcoin itself. I would argue that even in that aspect, Bitcoin is still far more secure than the traditional banking system, especially since a wide range of users are tech-savvy. Credit cards, which have been around since the 1950s, have had 74 years to evolve, yet people still expose their credit card information to hackers and scammers. Bitcoin has hardly been around for 15 years.