It's a valid point and we struggled with the best way of achieving that alignment to the budget. At the end of the day, the estimates provide “up-to” amounts. The money need not be allocated or spent. Our goal is simply to provide information to Parliament as early as possible in the fiscal year about the potential authorities required by the executive to implement the priorities of government as articulated in the budget.
On June 11th, 2018. See this statement in context.