and to offer another point of view...
I eventually crossed over to that train of thought, with chain saws, and bought a stihl brand saw, previously, I was buying a cheap store brand, and whenever anything went wrong, I just went in and bought another, for a fraction of the price... eventually I was swayed, and bought the better unit... 10 years later, I'm not entirely sure that was best, as things wear out now, they have to get fixed, which costs good money and time down, that I didn't have with just replacing the cheap store brands...
next, is the problem, that most brands of anything being manufactured today, are only shells of the item most companies had built their reputations on... I honestly think no filter made today, is going to last 20 years, and after being out of the hobby for 30 years, I learned that fact, with marineland, and aquaclear, I bought several new, and all I got was junk...
that said, while build quality is down, innovation is up on newly made items... but I think the bean counters rule, and planned obsolecence, is more important than long service life at least for most companies... this seems to be true from clothes washers to aquarium filters...
I have now bought 2 of these units... the 1st has been running for a year now, with no issues, but in the last year, my newest purchase a month ago is "new and improved" with even more features, of which we'll likely pay for with a shorter service life... anyway, these are feature packed , and dirt cheap...