Ours may be the first generation of humans that does not die

Drawn from what Bryan Johnson said

What Bryan Johnson actually said

Do you hold this korrent?Do you also believe this?

Cannot both be true

A human lifespan of about 90 to 100 years is right, and living forever is not something to want.

Johnson says ours may be the first generation of humans that does not die. Hansson says a lifespan of about ninety to a hundred years is right and that living forever is not something to want. The disagreement is not about whether it is achievable but about whether it is desirable, and Hansson answers the question Johnson does not ask.
Cannot both be true

Longevity is not one problem waiting to be cracked: lifespans rose because many separate problems were worked on continuously.

Johnson says ours may be the first generation of humans that does not die. Dattani says longevity is not one problem waiting to be cracked — lifespans rose because many separate problems were worked through, one at a time. A single unlock and a long list of separate ones are different theories of the same curve, and they imply completely different things to fund.
In tension with

Nobody should buy a direct-to-consumer biological age test today: they are sold expensively without standardisation or demonstrated reliability.

Topol says nobody should buy a direct-to-consumer biological age test today, because they are sold expensively without standards behind them. Johnson has built a public protocol on measuring exactly that. The disagreement is not about whether ageing can be measured but about whether anything currently on sale measures it.

Shared subject first, then similar wording. They may agree or disagree.