It praises the aircraft for what it once was. A formidable fighting machine of the late1960s-early 1970s. In fact it was one of the factors in India's decisive victory over Pakistan in 1971. But it has since outlived it's usefulness.
This fact is highlighted on the map in the wikipedia entry of current and former users of the plane.
The current users include countries in Africa, Cuba, Mongolia, Iran and of course India! For a nation where politicians routinely talk about becoming a super power....the stark truth is highlighted by the company we keep.