I don't think there are currently many crypto projects that do Initial Public Offering (IPO), very rarely, but IPOs may be able to replace IEO and ICO which are currently experiencing turmoil in its development, I think IPOs can be a new solution in crypto, but according to I IPO does not require many investors, because, IPO is usually done by well-known companies that have enough budget, the purpose is only to promote their tokens/coins in the market, and that is very different from ICO or IEO.
Considering the market trends and also the price declination of altcoins, will it be a favorable decision to embark on IPOs by projects upcoming. There is already a challenge with projects that have come up and their market prices have downslided in the few years they have existed. Although, the IPO idea is cool but i think there are other factors to consider.