Indeed, tiger cubs were normally exposed to bloodshed at a very young age.
Especially if they had not activated human intelligence.
After human intelligence was activated, the circumstances would naturally change.
Regardless of which species it was, once they activated human intelligence, they started to think and began to pursue a better quality of life such as a better environment.
For example, if the awakening of spiritual energy did not happen, he would also let them be exposed to fighting and bloodshed at a young age.
It was for their own good, to ensure that they would be capable enough to survive in the wild.
However, that was not needed now.
They had better conditions, and he was powerful and confident enough that he could shelter the two little fellows from all the storms.
Hence, he was unwilling for the two little fellows to go through hardships when they were still so small.