उच्छेद्यः पीडनीयो वा बलवानपि जायते ॥ कZ_०६.२.४०च्द् ॥
ucchedyaḥ pīḍanīyo vā balavān api jāyate
Therefore, even if he becomes strong, he should be eliminated or at least harassed/pressed down.
Not necessarily; he gives a menu: either uproot (if feasible and necessary) or keep the adversary strategically suppressed through sustained pressure so he cannot mature into a decisive threat.