Yes, Google Shopping ads can be very effective for WooCommerce stores in driving online sales and revenue. With a well-planned and optimized Google Shopping campaign, businesses can reach a highly-targeted audience, showcase their products with visually appealing ads, and drive qualified traffic to their online store. Additionally, the use of Google Shopping ads can improve a store's visibility and online presence, which can lead to increased brand awareness and customer loyalty. However, like any advertising channel, the success of Google Shopping ads will depend on several factors, including campaign management, budget, competition, and product offering.