The concept of the three languages uniting under one Mother ஸ்ரீ ලංකා is one I firmly advocate and believe in.
The irony is that it is the same three languages that have resulted in a divided ‘Mother ஸ்ரீ ලංකා’ Sri Lanka. The English speak English, The Italians Italian, and the French speak French etc etc,…
Thai's? They speak Thai.
In Greece, the Greeks speak Greek.
Any country that has more than one language - Shambles.
Languages and religions usually bring ruin to a country.
The west are fast finding this fact out due to their democracies having open migration to these countries.
They have realised it too, this is why their laws have got tougher to migrate to those countries. I.e. USA and UK.
A one language policy, unites a country.