I think it went like project.something("android").lintOptions = ..

One option is to create a custom gradle plugin and apply it to all projects where you need these lintOptions.

feels a bit like a overkill but thank you

Fair enough, you could always try something like this instead. In your top level build.gradle file. Note this is using groovy not kotlin

subprojects {
   
     plugins.withId('android') {
       android {
          lintOptions {
                // Configure your lint options here
          }
       }
     }
}