Why would anyone want a tactical knife? I am sick of seeing youtube reviews on knives with people saying a knife is good because it is "tactical". If you are ever truly in a life threatening situation that you would have to defend yourself with a knife, would you really care what the knife looks like or how it feels? A good utility knife is better than not having any knife, AND you can use it great for everyday tasks. Maybe if you are a ninja and constantly fending off foes, than yes a tactical knife would be the way to go. or a cop who wants to stab people, or maybe a pirate.
What makes a good tactical knife often makes a good utility knife, the two are not dependant on distinct design criteria in every case. Consider...
Pocket clip for quick access. This has changed the way most people picture a pocket knife, and not just for tactical situations. People every day enjoy the convenience of pocket clips when doing mundane things, like breaking down cardboard boxes at work.
Opening hole for one handed operation. Again, a great "tactical" feature, but one that crosses over into utility. If you have an injured hand or arm, one handed access makes opening the knife much easier. If you have arthritis or nervve damage you will probably prefer them to nail nicks. Or if you just don't like having to put down what you're holding, take two hands to open a knife, then cut, you'll like one handed opening.
Secure grip. I don't have experience in stabbing people, but I'd imagine a secure grip would be preferable. For utility usage, I've come to appreciate textured G10 and contoured grips. It's nice not having to re-adjust my hand every slice I make into a cardboard box, or not having to be as concerned with cutting my hand because it slipped when working out in the cold with numbed hands, etc.
For many "tactical" features on knives, you'll find they can pose benefits for utility use as well. Locks, blade coatings etc. all have their place in utility knives IMO.
For example, I sometimes carry a waved Endura 4. It has an aggressive grip texture, wave opening device, locking blade, robust construction and so forth. I've never stabbed someone with it, but I do find it awfully convenient for whacking a thorn bush down when I'm walking through a trail in the woods or opening a package. Yes, I could do the same with a Swiss Army Knife. I could also walk to work. But I find the Spyderco, and driving, to be of great convenience.