I'm aware that bad quality doesn't mean the .deb is not good,
but I don't know the publisher and don't know if I should trust them.
I'm asking here those who installed FlareGet and can give their opinion about it. Here are the error details:
Lintian check results for /home/user/Downloads/flareget_4.3-95_amd64.deb:
E: flareget: dir-or-file-in-etc-opt etc/opt/chrome/
E: flareget: dir-or-file-in-etc-opt etc/opt/chrome/native-messaging-hosts/
E: flareget: dir-or-file-in-etc-opt etc/opt/chrome/native-messaging-hosts/com.flareget.flareget.json
N: Some overrides were ignored, since the tags were marked "non-overridable".
N: Use --verbose for more information.
*edit: I'm running Google Chrome.