Definitely the bundling of contracts is excluding the SMEs. Bundled contracts are called large contracts over $10 million. Anything less than $10 million is considered a regular process contract. That's currently how PWGSC defines these large contracts.
SMEs often don't have the capital to do a bundled contract. When you have a smaller-sized contract, the SME can actively participate and can actively compete. It helps the SMEs to establish ground, show what they know, and show what they can do as a solution.