The market is more fragmented than you say, even in IT industry.
Memory: Sk Hynix, Micron, Samsung
Storage: WD, Samsung, Seagate, Kioxia, Micron
Phones: Apple, Samsung, OPPO (inc VIVO and 1+), Xiaomi
CPU SoC: Intel, AMD, Apple, QC, Mediatek and soon Nvidia
and so on
Sorry but your argument...