Pampers product quality degraded

Can someone please explain to me WHY a product that has worked perfectly well for generations and generations now all of a sudden has become so utterly ****e!?!?! My 1 year old constantly pees right through his Pampers Nappies every single night, he tends to sleep on his tummy more, but the product simply cannot contain the liquid and additionally the Nappies forever pop and tear releasing the jelly like substances inside the Nappy all over my house and NO before you say the Nappy was too full, they weren't, these Nappies still able to absorb just don't seem to last long enough, absolutely disappointed, it's the 4th packet I purchased where this happens