If you're next to the exchange you should get 24mbps on ADSL2+ so either you are not next to the exchange, or something else is wrong.
Reality is rolling out the NBN was always a multi-term project
The MTM rollout is definitely quicker by 3yrs or so, for many (those on FTTB, HFC or short FTTN) it will be equivalent in the medium term (delivering 100/40 if you pay for it), for those on lengthy FTTN lines it will be worse.
Whether it is good value in the long run versus full fibre is another matter.
Note that both Labor and Libs, still had vast numbers of residences served by Fixed Wireless and Satellite, which are definitely inferior.