With respect to your specific question, as Sabrina has indicated, these are A/B tests whereby we're basically trying to ascertain what the product impact is. To be clear, this is our attempt to be responsible. This is why companies do A/B testing. They want to understand fully what the implications are before they deploy anything at scale.
With respect to your specific question, I'm not aware of whether or not there were specific considerations undertaken with respect to MPs' parliamentary privileges.