ST filters are a banging bargain ..as are MC filters if you can get them at Wally World for $3.28. I just cannot resist the urge to pick up one or two at every visit (a total of 6 cars in the extended family fleet that all have the same thread/gasket size = I'm never far from some oil/filter change). I haven't had the opportunity to cut open any of my Ecore® ST filters yet ..but had flawless service with the old style. I'll have to add that I also use PureOne, MC, and, in some cases, Wix filters. Anything but a Fram ..they just cost too much for what you get IMO. They appear to work okay for most ..but just too many better bangs for the bucks out there.
If you have common service and want to go "long" ..then you may opt for something like a PureOne. If you're of the more moderate mileage accumulations and cannot resist changing oil often ..then there is no need to waste the cash on better filters IMHO. OTOH, if you have service like Mel (Filter Guy) and rack up miles like you do calories in the day ...then any filter will probably work with the lack of insult that this type of driving inflicts upon a filter.