The alarm bell is in that you are saying it is “my intent” and “my own intent”. Whereas pure intent is not ‘my’ intent.
And it’s not just semantic wordplay. There is a meaningful distinction.
To put it another way, “my sincere intent” to be happy and harmless, is not pure intent either. Pure intent is something outside of ‘me’.
The concern is that you will think you found pure intent, when you didn’t, and stop looking.
For reference of what this could mean, see this:
And for another one, see here, starting with “Whilst on the subject of those quoted snippets […]”, for example:
