Who would you like to participate in your DAO? Only those who understand how Dapps work, or do you want to be welcoming to Crypto-Newbies? Are there specific market segments you would like to reach?
Even if your target audience is very crypto-savvy, be aware that basic onboarding is always needed. No matter how much expertise your users may have, being clear about the steps for joining is important and will have a big impact on the level and quality of engagement you can achieve.