Looks like a case that the developers carelessly copied and pasted some "sample code" into the app...
> [...] it seems that there is no good way to get in touch with them through email (I sent an email to all publicly available channels, only to get back an autoresponder that assumes I'm an user of the app and asking for my phone number). I eventually resorted to DM their CEO on twitter.
Resorting to Twitter for support is increasingly common. The importance of having an "abuse@" email (and possibly some social media bots to DM all sysops when a mail arrives)...