If by realist you mean something bad may happen to you if you made the same posts under your own name and credibility that’s sad.
I bet there must be many ATCs employed by Airservices who have real concerns about the terrible Mangalore fatal accident and how the lack of reforms attributed to the result.
No doubt feel too threatened to say anything.
To be fair here not everyone is independently wealthy and can afford the blow back of open public criticism. There are avenues to voice real concerns but unfortunately these day they tend to just get buried or glossed over.
To go out publicly on the internet and to start criticising businesses and government regulators in the industry you work in will get you blackballed for life. Companies do not want trouble makers nor attention seekers.