Thanks for the answers.

I understand the technicality is a problem for some users, but if i don't ask here where can i ask?

@Angelia46 Thanks, ultimately the pro-rata of the project you own is the same, and the total investment is the same too. It is a question of predictability. Anyway, thanks)

@Gab20 Yes and no) I am not launching an ICO but advising (mostly hard financials) for different topics two different ICOs. This being said the topic has arisen in independently in both projects and made me think: what do people actually like? Since, following Ricardo's theory, all are finally the same for the coin creators, the choice has to liaise in the preference of the investors. Why?