Lincoln expressed similar concerns about the revenue to John B. Baldwin on April 4, 1861. Are you dismissing Baldwin too?
Northern ports like New York's were already reeling from the imposition of the Morrill Tariff and the promise of lower tariffs in Southern ports. Many import businesses had closed or were closing in NYC. Future tariff revenue was uncertain and probably headed down if Lincoln couldn't somehow block the Southern ports from taking a significant part of the import business from the North.
Given all that, do you think Lincoln might have been seriously concerned about tariff revenue at that point in time or not? And if not, why not?
And if yes, would it have been unreasonable for Lincoln to have mentioned that concern on two separate occasions (one of which was a meeting he requested)?
There can be no doubt that Lincoln must have been concerned about future Federal revenues, that only makes sense, given the circumstances.
But the issue here is, was that concern, as clearly implied by pro-Confederate apologists, the driving force behind Lincoln's "push for war"?
The answer is, no, Lincoln did not "push for war" and would certainly have dealt with such issues short of war, had the Confederacy not started war at Fort Sumter.
But as we can see even today, it's very easy to take a few words out of context to make somebody look silly or worse.