<p>➀ The semiconductor industry's high costs have consolidated leading-edge logic fabs to three players: TSMC, Samsung, and Intel; </p><p>➁ TSMC's conservative 2nm strategy with GAA/BSPD adoption secured majority market share, while Samsung and Intel faced yield failures and customer losses; </p><p>➂ Revenue dominance at 2nm positions TSMC to monopolize future generations, leaving rivals' foundry prospects uncertain.</p>