This is 100% true, which is why it's so important to resist the societal pressure to conform. It might be tempting to avoid these questions by taking the "default" path, but that path is unlikely to lead to happiness. You have to decide on your own path and work to make it happen.
Yes but also it's important to critically engage with reality as well. Many people think they are constructing some original identity without testing it against reality. No plan survives battle.