The in depth pros and cons are one of the most valuable bits of knowledge I find on HN. Everyone including Chief Databaseologist Andy Pavlo recommends starting with Clickhouse for you OLAP needs
(in https://www.youtube.com/watch?v=dPMc7FZ3Gqo&list=PLSE8ODhjZX...).
When this is the case, Druid needs strong arguments to secure mindshare in the future. It is crazy to write a comparison of Druid and sth else these days and not mention Clickhouse at all.