I agree with you but when there are links to social networks of the team there is more trust to the team members especially when social networks have a long history and are very active.
The problem of crypto startups is that investors do not trust them because it was a lot of scams among cryptocurrency projects. Even links in social network do not help you if you lost mony in crypto startup.
The experience of 2017 have shown that it is necessary to check all the information about cryptocurrency project including the social links of the team and other information about team members.