She's the second to join Labor in the past year, after former Green Dorinda Cox.It doesn't materially change the dynamic at play when it comes to getting legislation over the line (Tyrrell admitted herself she had frequently voted with Labor in the past).But it's a symbolic win for Albanese, who taunted the opposition in Question Time that his caucus was growing, while the Coalition's was shrinking.Tyrrell said she needed to find a "fit" It was the same language he used as went from interview to interview to sell why this needed to happen now.How can the electorate believe the government next time they rule out anything, such as an increase in the size of parliament or say the other part of their failed 2019 policy — franking credits?During the budget lock-up last year, then-Liberal leader Peter Dutton decided the opposition could not support Labor's $17 billion tax cuts