Like you and others said, the identity of a proper narrow-minded "bhakt" today is denying any iota of good any Englishman or any Mughal ever did for Hindustan, and claiming that Mughals were no good "colonizers".
Ultimately - it is denying India's own past, because both colonizers (especially the Mughals) borrowed as much as they contributed from India, whether in administrative practices (land reforms introduced by Emperor Akbar), in architecture, in the fine arts (music, literature, dance forms), which were unique combinations of indigenous Indian as well as Middle-eastern forms of artistic expression.
To just deny all that is just savage and barbaric.
True, there were discrimination too by these 'foreigners' including religious discrimination but they (especially Mughals) became more Indian (than not) over the years they ruled India.
Muslim sovereign rule was to last six hundred and fifty-one years, four empires and six strong and powerful rulers for India. They succeeded in large part in uniting a very large populated land mass and introduced many social reforms, using the Mughal court system which was very advanced for its time. Mughals introduced a uniform currency which eased trade and transactions. Mughals had an extensive road network - vital to the economic infrastructure, built by a
public works department set up by the Mughals which designed, constructed and maintained roads linking towns and cities across the empire, making trade easier to conduct. Remnants of these bridges can still be seen in some older towns in the subcontinent today.
To deny that part of Mughal history or term it as all 'savage and cruel' is only a current attempt at discrediting a big part of Indian history, of which Hindu rulers were also accessories in and benefited from.
In the Mughal period, India commanded 24% of Global GDP, until the British took over. By 1700, the GDP of Mughal India had risen to 24% of the world economy, the largest in the world, larger than both Qing China and Western Europe.
en.wikipedia.org
Bengal Subah was a major Mughal center of industrialization in the Mughal Empire, specializing in textiles and ship-building. Shipbuilding output of Bengal during the sixteenth and seventeenth centuries was at 223,250 tons annually, compared with 23,061 tons produced in nineteen colonies in North America from 1769 to 1771. Bengal Subah itself was a very large contributor to Mughal industrial exports (about 33%) with textiles and ship-building output.
en.wikipedia.org
Ultimately - these Mughal "colonizers" did help to make a "cluster" of a hodgepodge conglomeration of mostly superstitious, infighting Hindu groups into a "unified identity" of people they claim to be today (and as a result call themselves "Indians").
In the process "Deen-e-Elahi" was also invented by Akbar, which (blasphemous as it was to Islamic purists) was a new Religion invented by combining elements of Hinduism, Buddhism and Islam. This was clearly an effort to bring unity to the Indian religious divisiveness and in Indian cultural fissures.
Today's Hindutva attempts at discrediting Mughals is just sad.