Not sure about that. Remember that Harper was constrained by a long recession and budgetary deficits, plus a commitment/mandate to balance the budget. Now that the budget is balanced I would anticipate surpluses will translate into significant tax breaks, barring another great recession.I think you have to ask yourself who you'd rather have at the steering wheel with budget surpluses. I think the liberals will spend the surpluses on expensive public infrastructure projects and public sector union raises. I think the conservatives will just cut taxes.
In any case, if you assume 2 more 8% basic personal exemption increases, it's approximately a $300/yr tax break.
Additionally, the increased tfsa room would save approx $5k in taxes over a 10 year period with reasonable return expectations.
Those two measures alone would save you almost $10k in taxes over 10 years. Maybe you'll get married and have kids during that time and save even more!
I'm neither married nor do I have kids either but I think it's pretty naive to think Trudeau's liberals will provide a better long-term economic outcome to anyone except public servants.