Its a good site to enter your favorite world indeed ! But some contains adult material , so be aware of it. And yes, sometimes it devolves into political or socio-political or religion debate forum even though it ISN'T -_-
Mangadex acts as the spiritual successor to the old batoto, providing a wealth of various manga, manhua, and manhwa scanlations in cooperation with the teams that provide the scans, translations, and edits of such works. the site also includes a vast selection of marked adult content and links to other sites to track content or background check a work before you read it. contains limited to no ads and pop-ups.
This website is for reading a whole array of manga that can range from series aimed at children to series aimed at those who aren't faint of heart. You can find a whole bunch of manga for whatever your tastes are, whether you're into horror or shounen, you will likely find it here.