A lot of people participated in the initial coin offering for Ethereum two years before it launched. Today, four years later, people check out their wallets and sometimes have issues with the presale.
There used to be a help-desk operated by the foundation at
firstname.lastname@example.org but apparently this does not exist anymore. Instead, it auto-replies to use Ethereum Stack Exchange to ask questions. However, this yields threads like the following:
Without having access to pre-sale details for each user, it's very unlikely the community can assist with those issues. How to deal with help-desk questions from pre-sale participants?