>>981285
For Redback spiders, it seems that the anti-venom is not very effective.

But I would not accept sub-standard healthcare if the treatment is effective.
> (3) This Part does not make it unlawful for a person to discriminate against another person, on the ground of the other person's age, by taking the other person's age into account in making a decision relating to health goods or services or medical goods or services, if:
>> (a) taking the other person's age into account in making the decision is reasonably based on evidence, and professional knowledge, about the ability of persons of the other person's age to benefit from the goods or services;
https://www.austlii.edu.au/cgi-bin/viewdoc/au/legis/cth/consol_act/ada2004174/s42.html

They can hold whatever belief they want, but they need reasonable evidence for the decision. Without the evidence or an exemption they are not allowed to treat you differently based on age. They can, but that is your case for 💰