Ignoring the racist subtext in your comment, the antipathy that some Indians have towards China is a very recent event.
It is a reflection of the very strained relations between the two countries after Galwan clash.
In fact, look at the article below to get a better understanding-
This is despite the fact that China has give unequivocal support to Pakistan, India’s hated rival.
The decline in relations started after China embarked on a new aggressive foreign policy also called the Wolf warrior policy.
China can hardly be blamed for this, as countries become strong they flex their muscles, it is a natural order for human societies.